Question about 2000 Honda Civic

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Locating and replacing oxygen sensor

Curious about trying to replace the oxygen sensor on a 2000 Civic EX. never attempted it before, but i'm getting ready to do a tune up and i'm wondering if it is something i can do myself?

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Is the check engine light on with oxygen sensor codes?
If there are no problems with it leave it alone. i have seen factory sensors working good with over 300k miles on them. I recommend using dealer tune parts. at least NGK plugs. I have found misfire problems with aftermarket tune parts on several occasions.

there could be 2 oxygen sensors and they will be in the exhaust manifold or the catalytic converter or the "A" pipe between the manifold and catalytic converter. if you have the correct tools you can do it. sometimes requires special tools and rarely they are seized in the exhaust manifold and damage the manifold than it has to be replaced.

Posted on Dec 27, 2008

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Posted on Jan 02, 2017

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I have a check engine alarm on my '96 honda civic ex and diagnostics result in code p0138. What does this mean?


The Heated Oxygen Sensor (2) located rear of catalytic converter produces an output signal relative to oxygen storage capacity of catalytic converter. Ho2S 2 signal is less active than signal produced by front oxygen sensor. This code sets when HO2 Sensor voltage is greater than 999 mV for more than 2 minutes (time depends on model. Could be as high as 4 minutes)
There may be no noticeable symptoms except for MIL illumination. Possible high fuel pressure can over rich the system.
A code P0138 may mean that one or more of the following has happened:
  • Faulty O2 sensor
  • Short to battery voltage in O2 sensor signal circuit
  • High fuel pressure (not as likely)
Here are some potential solutions:
  • Replace O2 sensor
  • Repair short to battery voltage in o2 sensor signal circuit

Feb 10, 2011 | 1996 Honda Civic

1 Answer

How do you replace a oxygen sensor?


For 2000 Daewoo Lanos 1.6L MFI DOHC 4cyl the Oxygen Sensor is located under vehicle, driver side, below seating area, mounted in exhaust pipe in front of catalytic converter.

Good luck (remember rated this).

Jul 22, 2010 | 2000 Daewoo Lanos

1 Answer

How to replace oxygen sensor on a 2001 Honda Civic


before you do anything, let the engine and exhaust line cool down first. disconnet the electrical connector to the sensor, spray some lubricating fluid like " WD 40 " to the thread of the sensor, allow for a few minute then use the right spanner to turn the sensor. here you go, the sensor is now removed. Installing a new sensor is just the reverse. Enjoy it.

Apr 10, 2010 | 2001 Honda Civic

1 Answer

Brake lights on 2000 Civic EX w/ cruise control do not work when brake pedal is pressed. I had the same problem 2 years ago and the brake light switch was replaced. Where do I locate the brake light...


The break lite switch is located behind the break pedal and it probably doesn't replaced it is probably just stuck. Its fairly easy to get to .

Aug 14, 2009 | 2000 Honda Civic

2 Answers

How to remove and install new oxgen sensors on a


Stop by your local auto parts store and ask how many oxygen sensors the Honda Civic has installed. They are usually installed on the exhaust pipe before the catalytic convertor, and screw off with an open-end wrench. The heat causes the sensor to be a bit difficult to remove, and you will need to put some anti-seize compound on the threads of the new sensors. Most cars have 2 or 3 oxygen sensors.

Your local AutoZone can also put the diagnostic computer on you car which should indicate whether its actually a bad oxygen sensor, or they will read the error codes to tell you what the problem really is. Best of all, it's FREE.

Jun 11, 2009 | 2001 Honda Civic

1 Answer

Check engine light


P0041 Downstream Oxygen Sensors Swapped From Bank To Bank
How does a P0041 code trigger the check engine light? This code will trigger the light to come on under the following condition:

The Heated Oxygen Sensor Monitor, a strategy built into the computer, determines if the Heated Oxygen Sensor (HO2S) signal response for a change in fuel trim corresponds to the correct engine bank. If a response from the Oxygen Sensor being tested is not indicated, a trouble code will be set and the MIL (Malfunction Indicator Lamp) will illuminate.
Possible Causes:
Crossed Heated Oxygen Sensor harness connectors
Wiring swapped from one Oxygen Sensor connector to the other
Wiring changed at the computer connection or in the related harness

Apr 09, 2009 | 1994 Honda Civic

2 Answers

2000 SIR auto


I had the same problem. After going through everything, it ended up being the distibutor cap. The tips were really bad. While I was in there, I replaced the rotor too. Try that. Hopefully this works for you!

Jan 29, 2009 | 2000 Honda Civic

1 Answer

Changing oxygen sensor for a 2000 honda civic lx


both are located in the exhaust system. You have to get the car off the ground and follw pipes. You cant miss the O2 sensors.

Jan 15, 2009 | 2000 Honda Civic

2 Answers

Where is the forward oxygen sensor located


My husband cannot locate the oxygen sensor on the 1991 civic. Can it come out easily and where can I get a scematic or something to locate it? Sheryl

Jul 23, 2008 | 2000 Honda Civic

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